From owner-freebsd-current@FreeBSD.ORG  Wed May 25 12:23:20 2011
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Date: Wed, 25 May 2011 12:25:01 +0000
From: Ruslan Ermilov <ru@FreeBSD.org>
To: Arnaud Lacombe <lacombar@gmail.com>
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Cc: Dimitry Andric <dim@freebsd.org>, current@freebsd.org
Subject: Re: [PATCH] Fix CFLAGS overwrite by Makefile
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On Tue, May 24, 2011 at 11:08:52PM -0400, Arnaud Lacombe wrote:
> Hi,
> 
> On Tue, May 24, 2011 at 10:54 PM, Arnaud Lacombe <lacombar@gmail.com> wrote:
> > ps: for static library and loader, I derived the total size as the sum
> > of the size of the text/data/bss section of the member object using :
> >
> > size *.o | awk 'BEGIN {text=0; data=0; bss=0;}; {text+=$1; data+=$2;
> > bss+=$3}; END {print text " " data " " bss " '$i'"}'
> >
> > where $i is the cpu type to test. make(1) is passed either CPUTYPE=$i
> > for i in i[3456]86, or the empty string. The compiler used for the
> > test is gcc, and it is the compiler build during a buildworld stage,
> > in the tmp directory.
> >
> just to cut loose any question about my environment, additionally to
> the original patch, I made the following modification to the tree to
> try to isolate it from the host:
>  - applied the following patch:

[...]

>  - manually created two symlinks:
>  1) include/machine -> ../sys/i386/include/
>  2) include/x86 -> ../sys/x86/include/
> 
> The host is running a custom 8.2-STABLE/amd64 kernel (only config
> change) on the following CPU:
> 
> CPU: Intel(R) Xeon(R) CPU           X3430  @ 2.40GHz (2394.00-MHz K8-class CPU)
>   Origin = "GenuineIntel"  Id = 0x106e5  Family = 6  Model = 1e  Stepping = 5
>  Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>   Features2=0x98e3fd<SSE3,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,POPCNT>
>   AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>
>   AMD Features2=0x1<LAHF>
>   TSC: P-state invariant
> 
> I am still not sure what is the default gcc target architecture on this machine.

Why not go along a supported way, and do a cross-build?


-- 
Ruslan Ermilov
ru@FreeBSD.org
FreeBSD committer